Home / 30,365.75-41,904.81-16,937.86

Finding the Fourth Proportional to 30,365.75, 41,904.81 and 16,937.86

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Solution

The fourth proportional to 30,365.75, 41,904.81 and 16,937.86 is: 23,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.75 : 41,904.81 = 16,937.86 : x
  2. Step 2: Convert to fraction form
    30,365.75/41,904.81 = 16,937.86/x
  3. Step 3: Cross multiply
    30,365.75x = 41,904.81 × 16,937.86
  4. Step 4: Simplify right side
    30,365.75x = 709,777,805.11
  5. Step 5: Solve for x
    x = 709,777,805.11/30,365.75
  6. Step 6: Final answer
    x = 23,374.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.